The Danger Behind Using Honey-Like Engine Oil

This video explains why using thicker engine oil is not always better, especially in modern engines with tight tolerances and Variable Valve Timing systems. (I may/may not earn a commission from these links) Pennzoil Ultra Platinum (5W-30): https://amzn.to/4v4G5lH Oil Change Kit: https://amzn.to/4eDxAIB Engine Oil Tester: https://amzn.to/43vuDnk The old advice that ticking engines, hot weather, or high mileage engines need heavier oil came from older engine designs, not today’s precision machined engines. The main warning is that honey thick oil can raise oil pressure while reducing oil flow, starving cam phasers, bearings, oil galleries, and valve train components. 🔧 Thick Oil Warning Tricks Do not add viscosity boosters or thicker engine oil unless your owner’s manual or a qualified engine builder specifically calls for it. Instead, look for the correct viscosity grade and check the oil’s Viscosity Index, because high quality synthetic oils can protect across heat and cold without becoming too thick to pump at startup. ⚠️ Why It Matters Oil pressure and oil flow are not the same thing. Thick engine oil can make the dash gauge look safer while actually moving less oil per minute through the engine, which means less lubrication, less heat removal, slower Variable Valve Timing response, and more wear during cold starts. In modern engines, thick oil can contribute to cam phaser problems, timing chain rattle, check engine codes, poor cold start protection, oil pump strain, hot bearing surfaces, and accelerated oil breakdown. 📲 Share This With Anyone Who Needs It Send this to anyone who thinks thicker engine oil automatically means more protection, especially high mileage drivers, DIY oil changers, mechanics, and people dealing with ticking noises or Variable Valve Timing codes. This is especially important for owners of modern Toyota, Honda, Ford, GM, Hyundai, Kia, and turbocharged engines where oil flow, cold start pumping, cam phasers, and VVT screens depend on the correct viscosity. 🚗🛢️⚙️ 💬 Comment and Subscribe Have you ever used thicker engine oil, a viscosity booster, or a different oil grade to quiet engine noise? Comment your vehicle, mileage, oil grade, engine type, and whether you noticed ticking, timing chain noise, check engine lights, or VVT codes. Subscribe for more engine oil myths, viscosity breakdowns, Variable Valve Timing explanations, cold start wear topics, and no nonsense maintenance advice that helps engines last longer. 🔔🔧 Disclaimer: The advice given is for DIY users and to apply the advice at their own discretion, we will always recommend having a certified technician take a look at your vehicle to give you real-time feedback on what needs to be addressed inside your vehicle. And! Do not be discouraged by the haters, if some of the information resonates with you, please feel free to share your experience!